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Crystals

406I35E14M31818 Application Field and Working Principle

Crystals are structure-forming components of the electrical industry, and 406I35E14M31818 is a very common type. It can be used to control the frequency of radio receivers and transmitters, radio broadcasting equipment, radio navigation systems, communication and communication equipment, industrial timing equipment, welding machines, and TV sets. Timer control, oscillator stabilize circuit, etc. The 406I35E14M31818 uses tuning fork-style vibration elements to achieve oscillator processing and frequency controlled output. The meaning of its model number is 4: package type; 0: size; 6: frequency; I: product grade; 3: series; 5: temperature; E14: frequency between 14.000 and 14.100 MHz; M: means it is Working at room temperature, 3: initial tolerance of frequency, 1: Frequency stabilities, 8: load capacitance, 1: equivalent capacitance.

In addition, the 406I35E14M31818 is small in size and good in heat dissipation, and is widely used for long time precision timekeeping, automatic control system and other occasions. Its working principle is to place a quartz crystal in an electronic circuit, which plays a role of vibrating element. The quartz crystal carries a positive and a negative electrode, and the DC voltage on the quartz crystal is applied by these two electrodes. The characteristic of the crystal is that its reactance changes with the change of frequency. When the oscillation frequency is close to the resonant frequency of the crystal, the electrical energy of the external circuit is input to the crystal, resulting in resonance, so that the oscillation frequency of the crystal is strictly controlled by the resonant frequency.

The working process of the 406I35E14M31818 crystal is that at the initial stage of the power-on, the oscillator circuit is controlled and adjusted by the resonant frequency of the crystal, and the oscillator is oscillated in a certain range, so that the remaining frequency components are removed. Since the characteristics of the quartz crystal itself is very good, and its resonance frequency is also very stable, so in the process of oscillation, the oscillating circuit and the electromagnetic disturb are filtered out, thereby forming a highly accurate clock signal. In addition, the 406I35E14M31818 crystal also has the function of frequency stabilization, which can maintain the output frequency stability constant, and realize the clock signal output and timekeeping time for the long time.

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